Callaghanite - Sierra Magnesite Mine, Gabbs, Gabbs Mining District, Nye Co., Nevada, USA(Type Locality)
(#MINS8368)
Very colorful intense lustrous rich deep blue Callaghanite in sub millimetric crystals richly covering the dark matrix.
A nice sample of this rare copper magnesium carbonate.
Specimen weight:33 gr.
Crystal size:sub-mm xls
Overall size:30mm x 32 mm x 29 mm
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